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Diffstat (limited to 'test/CodeGen/ARM/unwind-init.ll')
| -rw-r--r-- | test/CodeGen/ARM/unwind-init.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/unwind-init.ll b/test/CodeGen/ARM/unwind-init.ll new file mode 100644 index 0000000000000..1e12f55108237 --- /dev/null +++ b/test/CodeGen/ARM/unwind-init.ll @@ -0,0 +1,18 @@ +; RUN: llc -mtriple=armv7-unknown-linux-gnueabi < %s | FileCheck %s +; Check that all callee-saved registers are saved and restored in functions +; that call __builtin_unwind_init(). This is its undocumented behavior in gcc, +; and it is used in compiling libgcc_eh. +; See also PR8541 + +declare void @llvm.eh.unwind.init() + +define void @calls_unwind_init() { + call void @llvm.eh.unwind.init() + ret void +} + +; CHECK-LABEL: calls_unwind_init: +; CHECK: push {r4, r5, r6, r7, r8, r9, r10, r11, lr} +; CHECK: vpush {d8, d9, d10, d11, d12, d13, d14, d15} +; CHECK: vpop {d8, d9, d10, d11, d12, d13, d14, d15} +; CHECK: pop {r4, r5, r6, r7, r8, r9, r10, r11, pc} |